chartjs zoom support + calculate macro

packages/web/src/charts/ChartCore.svelte

@@ -1,6 +1,7 @@
 <script lang="ts" context="module">
   import Chart from 'chart.js/auto';
   import 'chartjs-adapter-moment';
+  import zoomPlugin from 'chartjs-plugin-zoom';
 
   const getCurrentEditor = () => getActiveComponent('ChartCore');
 
@@ -15,6 +16,8 @@
     onClick: () => getCurrentEditor().exportChart(),
     testEnabled: () => getCurrentEditor() != null,
   });
+
+  Chart.register(zoomPlugin);
 </script>
 
 <script lang="ts">

packages/web/src/charts/DataChart.svelte

@@ -55,6 +55,26 @@
         text: chartTitle,
       };
     }
+    res['zoom'] = {
+      zoom: {
+        wheel: {
+          enabled: true,
+        },
+        pinch: {
+          enabled: true,
+        },
+        drag: {
+          enabled: true,
+          modifierKey: 'shift',
+        },
+        mode: 'x',
+      },
+      pan: {
+        enabled: true,
+        mode: 'x',
+      },
+    };
+
     return res;
   }
 

packages/web/src/freetable/macros.js

@@ -76,7 +76,8 @@ return value ? value.toString().replace(new RegExp(rtext, rflags), args.replace
         default: '3',
       },
     ],
-    description: 'Returns string of a specified length in which the beginning of the current string is padded with spaces or other character',
+    description:
+      'Returns string of a specified length in which the beginning of the current string is padded with spaces or other character',
     type: 'transformValue',
     code: `return modules.lodash.padStart(value, +args.length, args.character)`,
   },
@@ -98,7 +99,8 @@ return value ? value.toString().replace(new RegExp(rtext, rflags), args.replace
         default: '3',
       },
     ],
-    description: 'Returns string of a specified length in which the end of the current string is padded with spaces or other character',
+    description:
+      'Returns string of a specified length in which the end of the current string is padded with spaces or other character',
     type: 'transformValue',
     code: `return modules.lodash.padEnd(value, +args.length, args.character)`,
   },
@@ -275,6 +277,22 @@ return {
       },
     ],
   },
+  {
+    title: 'Calculation',
+    name: 'calculation',
+    group: 'Tools',
+    description: 'Custom expression. Use row.column_name for accessing column values, value for original value',
+    type: 'transformValue',
+    args: [
+      {
+        type: 'text',
+        label: 'Expression',
+        name: 'expression',
+        default: 'value',
+      },
+    ],
+    code: `return eval(args.expression);`,
+  },
   {
     title: 'Extract date fields',
     name: 'extractDateFields',